Datasheet

AD844–SPECIFICATIONS
AD844J/A AD844B AD844S
Model Conditions Min Typ Max Min Typ Max Min Typ Max Units
INPUT OFFSET VOLTAGE
1
50 300 50 150 50 300 µV
T
MIN
–T
MAX
75 500 75 200 125 500 µV
vs. Temperature 1 1 5 1 5 µV/°C
vs. Supply 5 V–18 V
Initial 4 20 4 10 4 20 µV/V
T
MIN
–T
MAX
4410 4 20 µV/V
vs. Common Mode V
CM
= +10 V
Initial 10 35 10 20 10 35 µV/V
T
MIN
–T
MAX
10 10 20 10 35 µV/V
INPUT BIAS CURRENT
–Input Bias Current
1
200 450 150 250 200 450 nA
T
MIN
–T
MAX
800 1500 750 1100 1900 2500 nA
vs. Temperature 9 9 15 20 30 nA/°C
vs. Supply 5 V–18 V
Initial 175 250 175 200 175 250 nA/V
T
MIN
–T
MAX
220 220 240 220 300 nA/V
vs. Common Mode V
CM
= +10 V
Initial 90 160 90 110 90 160 nA/V
T
MIN
–T
MAX
110 110 150 120 200 nA/V
+Input Bias Current
1
150 400 100 200 100 400 nA
T
MIN
–T
MAX
350 700 300 500 800 1300 nA
vs. Temperature 3 3 7 7 15 nA/°C
vs. Supply 5 V–18 V
Initial 80 150 80 100 80 150 nA/V
T
MIN
–T
MAX
100 100 120 120 200 nA/V
vs. Common Mode V
CM
= ±10 V
Initial 90 150 90 120 90 150 nA/V
T
MIN
–T
MAX
130 130 190 140 200 nA/V
INPUT CHARACTERISTICS
Input Resistance
–Input 50 65 50 65 50 65 Ω
+Input 7 10 7 10 7 10 MΩ
Input Capacitance
–Input 2 2 2 pF
+Input 2 2 2 pF
Input Voltage Range
Common Mode ±10 ±10 ±10 V
INPUT VOLTAGE NOISE f ≥ 1 kHz 2 2 2 nV/√Hz
INPUT CURRENT NOISE
–Input f ≥ 1 kHz 10 10 10 pA/√Hz
+Input f ≥ 1 kHz 12 12 12 pA/√Hz
OPEN LOOP TRANSRESISTANCE V
OUT
= ±10 V
R
LOAD
= 500 Ω 2.2 3.0 2.8 3.0 2.2 3.0 MΩ
T
MIN
–T
MAX
1.3 2.0 1.6 2.0 1.3 1.6 MΩ
Transcapacitance 4.5 4.5 4.5 pF
DIFFERENTIAL GAIN ERROR
2
f = 4.4 MHz 0.03 0.03 0.03 %
DIFFERENTIAL PHASE ERROR
2
f = 4.4 MHz 0.15 0.15 0.15 Degree
FREQUENCY RESPONSE
Small Signal Bandwidth
3
Gain = –1 60 60 60 MHz
4
Gain = –10 33 33 33 MHz
TOTAL HARMOMIC DISTORTION f = 100 kHz,
2 V rms
5
0.005 0.005 0.005 %
SETTLING TIME
10 V Output Step ±15 V Supplies
Gain = –1, to 0.1%
5
100 100 100 ns
Gain = –10, to 0.1%
6
100 100 100 ns
2 V Output Step ±5 V Supplies
Gain = –1, to 0.1%
5
110 110 110 ns
Gain = –10, to 0.1%
6
100 100 100 ns
REV. C
–2–
(@ T
A
= +258C and V
S
= 615 V dc, unless otherwise noted)